Stay ahead of the weather with the official tenki.jp app from the Japan Weather Association. Whether you're tracking rain with the rain cloud radar, bracing for torrential downpours, or keeping an eye on raindrops, our app has you covered. It's not just about the weather—we also provide vital Earthquake and Disaster Prevention News, along with updates on autumn leaves, cyclones, pollen, and UV protection. With tenki.jp, you're always prepared, no matter what Mother Nature throws your way.

Major Updates to the tenki.jp App

For those who are sensitive to temperature changes, we're excited to introduce our new Temperature Difference Push Notification feature. If the temperature difference from the previous day is 5℃ or more, you'll receive a timely notification.

• Stay informed about sudden cooling or temperature rises at your specified location with our advanced weather forecasts.
• Plan your clothing and outings effectively with our temperature difference notifications.
• Combat the effects of cold and temperature fluctuations during the changing seasons with this invaluable tool.

What is tenki.jp?

tenki.jp is the definitive weather forecast app brought to you by the Japan Weather Association. Our team of dedicated weather forecasters works around the clock to deliver the most current and accurate weather information. With all functions available for free, tenki.jp is more than just a weather app—it's also a comprehensive disaster information and prevention alert tool, perfect for staying safe during earthquakes and typhoons.

Detailed Forecasts

• Two-week weather forecast (Tenkiyohou)
• Hourly weather forecast (Tenkiyoho)
• Rain conditions at your current location using the rain cloud radar

Useful Information for Daily Life

• Daily updates from our weather forecasters
• The latest earthquake early warnings and barometric pressure data to help prevent headaches
• Disaster information, disaster prevention alerts, UV, and pollen updates

Seasonal Insights

• Regular updates on typhoon forecasts and trajectories
• Disaster prevention tips during typhoon season
• Predictions for torrential rain using the rain cloud radar
• Heatstroke alert levels for different regions
• Daily updates on the start and end of the rainy season
• Detailed pollen information

Rain Cloud Radar

Our rain cloud radar (Amagumo radar) can predict the movement of rain clouds up to 48 hours in advance. It's an essential tool for avoiding rain-related inconveniences, whether due to low pressure systems or thunderstorms, and it's especially helpful for those prone to headaches caused by weather changes.

*tenki.jp is a free domestic weather forecast app provided by a licensed forecast business operator based in Japan, as confirmed by Tokyo Shoko Research in January 2023.

Comprehensive Pollen Information

Stay on top of pollen levels with our extensive pollen information feature. You can check today's and the week's pollen levels and access pollen scatter prediction maps for cedar and cypress pollen.

10 Recommended Points of tenki.jp

1. Hourly weather forecasts for each city, town, and village, with the ability to search by facility name
2. A 10-day weather forecast that goes beyond the typical weekly forecast
3. Real-time information on temperature, humidity, wind direction/speed, precipitation, atmospheric pressure, UV rays, and pollen
4. Free access to the rain cloud radar up to 48 hours ahead
5. Multiple daily updates from our weather forecasters
6. Notifications for weather changes and approaching rain clouds
7. Forecast widget for quick access without opening the app
8. Enhanced disaster prevention and information, including warnings, earthquake, and tsunami alerts
9. Customizable daily life information such as laundry, clothing index, and starry sky index
10. Option to hide ads for 120 yen per month, with all functions available for free

4 Main Features

With tenki.jp, you can access organized information in four key categories with just one tap:

1. Weather Forecast: Get today's and tomorrow's forecasts for your current location and up to 10 other locations. Hourly updates on weather, temperature, precipitation probability, humidity, precipitation amount, wind direction, and wind speed are available. (Ensure your GPS is enabled for this feature.)
2. Earthquake/Disaster Prevention News: Stay informed with the latest earthquake and disaster prevention news.
3. Reading Material: Dive into daily forecaster commentary, tenki.jp supplements, and weather overviews for comprehensive insights.
4. Weather Map: View weather maps, meteorological satellites, and world satellite images for a global perspective on weather conditions.

Other Functions

• Extensive menu options including world weather forecasts, live weather forecasts, weather overviews, index information, and leisure weather (such as mountain weather).
• Barometric pressure information to help manage headaches caused by low pressure.
• Customizable tenki notifications at specified times throughout the day.
• Widget function for checking current conditions directly from your home screen.
• Leisure weather forecasts tailored to popular spots for activities like mountain climbing and sea outings.
• Seasonal information on pollen, cherry blossom blooming, the start/end of the rainy season, autumn leaves, and ski snow conditions.

Notice

We offer an ad-free mode for a flat rate of 120 yen per month. Make use of this service to enhance your experience. Additionally, explore our related app, tenki.jp Climbing Weather, for specific mountain weather forecasts.

For our privacy policy, visit here, and for our terms of service, click here.

*tenki.jp is pronounced "tenki jp."

*Please note that devices with lower resolutions may experience display issues.

What's New in the Latest Version 2.27.2

Last updated on Oct 28, 2024:

• Added temperature graphs to today's and tomorrow's weather forecasts.
• Made partial adjustments to the weather forecast design.